280140328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{11177}}^1$

素因数の和:11437

約数の個数: 32

約数和(自身を含む): 568065960

約数和(自身を除く): 287925632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 241, 482, 964, 1928, 3133, 6266, 11177, 12532, 22354, 25064, 44708, 89416, 145301, 290602, 581204, 1162408, 2693657, 5387314, 10774628, 21549256, 35017541, 70035082, 140070164, 280140328]

約数ペア:

[(1, 280140328), (2, 140070164), (4, 70035082), (8, 35017541), (13, 21549256), (26, 10774628), (52, 5387314), (104, 2693657), (241, 1162408), (482, 581204), (964, 290602), (1928, 145301), (3133, 89416), (6266, 44708), (11177, 25064), (12532, 22354)]